Potassium (K) Back Catalog number: 57719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9758.20-100-IO Iso-pentyl benzyl phthalate (3-Methylbutyl benzyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-46-8 Price on request 50461 Copper AA Standard (Cu) Price on request 689546 D16-Bisphenol A, 100µg/ml in Acetonitrile, 5ml Price on request